Alfa Aesar

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  • Mineral oil

    Alfa Aesar

    CAS Number: 8020-83-5 Harmonized Tariff Code:  2710.19

  • Mercury, ACS, 99.999% (metals basis)

    Alfa Aesar

    Purity: 99.999% (metals basis) CAS Number: 7439-97-6 UN Number: UN2809 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2805.40 Hazard Statements: H330-H360-H372 Fatal if inhaled. May damage fertility or the unborn child. Causes damage to organs through prolonged or…

  • Molecular sieves, 4A, powder

    Alfa Aesar

    CAS Number: 70955-01-0 Harmonized Tariff Code:  3824.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P405-P501a Avoid breathing…

  • Mercury(II) sulfate, 98+%

    Alfa Aesar

    Synonym(s): Mercuric sulfate Formula: HgO4S Formula weight: 296.65 Purity: 98+% CAS Number: 7783-35-9 UN Number: UN1645 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with…

  • Magnesium rod, 3.3cm (1.3in) dia x 30cm (12in) long, 99.8% (metals basis)

    Alfa Aesar

    Purity: 99.8% (metals basis) CAS Number: 7439-95-4 Harmonized Tariff Code:  8104.90

  • Methyl 4,4,4-trifluoroacetoacetate, 97%

    Alfa Aesar

    Synonym(s): 4,4,4-Trifluoroacetoacetic acid methyl ester Formula: C5H5F3O3 Formula weight: 170.09 Purity: 97% CAS Number: 83643-84-9 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2918.30 Hazard Statements: H301-H226-H315-H319-H335 Toxic…

  • 3-Methyl-1-pentene, 98%

    Alfa Aesar

    Formula: C6H12 Formula weight: 84.16 Purity: 98% CAS Number: 760-20-3 UN Number: UN3295 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.29 Hazard Statements: H225-H304 Highly flammable liquid and vapour. May be fatal if swallowed and enters airways. …

  • Methyl hexanoate, 99%

    Alfa Aesar

    Synonym(s): Hexanoic acid methyl ester, Hexanoic acid methyl ester Formula: CH3(CH2)4CO2CH3 Formula weight: 130.19 Purity: 99% CAS Number: 106-70-7 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2915.90 Hazard Statements: H226 Flammable…

  • Mercaptoacetic acid, 97+%

    Alfa Aesar

    Synonym(s): Thioglycolic acid Formula: C2H4O2S Formula weight: 92.11 Purity: 97+% CAS Number: 68-11-1 UN Number: UN1940 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2930.90 Hazard Statements: H301-H311-H331-H314 Toxic if swallowed. Toxic in contact with…

  • Methyl Red

    Alfa Aesar

    Synonym(s): C.I. 13020 Formula: C15H15N3O2 Formula weight: 269.30 CAS Number: 493-52-7 Harmonized Tariff Code:  2927.00

  • Magnesium chloride hexahydrate, 98+%

    Alfa Aesar

  • 3-Methyl-1,5-pentanediol, 99%

    Alfa Aesar

    Formula: HOCH2CH2CH(CH3)CH2CH2OH Formula weight: 118.18 Purity: 99% CAS Number: 4457-71-0 Harmonized Tariff Code:  2905.39

  • Methicillin sodium salt, 98%

    Alfa Aesar

    Synonym(s): Sodium (2,6-dimethoxyphenyl)penicillin, Sodium methicillin Formula: C17H19N2NaO6S Formula weight: 402.40 Purity: 98% CAS Number: 132-92-3 Harmonized Tariff Code:  2941.10 Hazard Statements: H334-H335-H315-H319-H317 May cause allergy or asthma symptoms or breathing…

  • 1-Methyl-2-pyrrolidinone, 99+%

    Alfa Aesar

    Synonym(s): N-Methylbutyrolactam, N-Methyl-2-pyrrolidone Formula: C5H9NO Formula weight: 99.13 Purity: 99+% CAS Number: 872-50-4 Harmonized Tariff Code:  2933.79 Hazard Statements: H360-H315-H319-H335-H227 May damage fertility or the unborn child. Causes skin irritation. Causes…

  • Mineral oil, high purity

    Alfa Aesar

    CAS Number: 8042-47-56 MDL: MFCD00131611 EINECS: 232-455-8 Form: Oily liquid Applications: Suitable for PCR applications

  • N-Methylaniline, 98%

    Alfa Aesar

    Synonym(s): Monomethylaniline Formula: C7H9N Formula weight: 107.16 Purity: 98% CAS Number: 100-61-8 UN Number: UN2294 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2921.42 Hazard Statements: H301-H311-H331-H373-H227 Toxic if swallowed. Toxic in contact…

  • 4-(Methylamino)phenol sulfate, ACS, 99.0-101.5%

    Alfa Aesar

    Synonym(s): Bis(4-hydroxy-n-methylanilinium) sulfate, Metol Formula: C14H18N2O2 H2SO4 Formula weight: 344.38 Purity: 99.0-101.5% CAS Number: 55-55-0 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2922.29 Hazard Statements: H373-H302-H317 …

  • Methyl 5-iodosalicylate, 99%

    Alfa Aesar

    Synonym(s): 5-Iodosalicylic acid methyl ester, Methyl 2-hydroxy-5-iodobenzoate Formula: C8H7IO3 Formula weight: 278.05 Purity: 99% CAS Number: 4068-75-1 Harmonized Tariff Code:  2918.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May…

  • Methyl elaidate, 95%

    Alfa Aesar

    Synonym(s): Elaidic acid methyl ester, trans-9-Octadecenoic acid methyl ester Formula: C19H36O2 Formula weight: 296.50 Purity: 95% CAS Number: 1937-62-8 Harmonized Tariff Code:  2916.19

  • Methyl methacrylate, 99%, stab.

    Alfa Aesar

    Synonym(s): Methacrylic acid methyl ester, 2-Methylacrylic acid methyl ester Formula: C5H8O2 Formula weight: 100.12 Purity: 99%, stab. CAS Number: 80-62-6 UN Number: UN1247 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2916.14 Hazard Statements: …

  • Methanesulfonic acid, 98+%

    Alfa Aesar

    Synonym(s): Mesic acid, Methylsulfonic acid Formula: CH4O3S Formula weight: 96.10 Purity: 98+% CAS Number: 75-75-2 UN Number: UN2586 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2904.10 Hazard Statements: H314 Causes severe skin burns and eye damage. …

  • 2-Mercapto-1-methylimidazole, 98%

    Alfa Aesar

    Synonym(s): Methimazole, 1-Methylimidazole-2-thiol Formula: C4H6N2S Formula weight: 114.17 Purity: 98% CAS Number: 60-56-0 Harmonized Tariff Code:  2933.29 Hazard Statements: H361-H317 Suspected of damaging fertility or the unborn child. May cause an allergic skin reaction. …

  • MES hydrate, 99+%

    Alfa Aesar

    Synonym(s): 2-(4-Morpholinyl)ethanesulfonic acid hydrate, 4-Morpholineethanesulfonic acid hydrate Formula: C6H13NO4S xH2O Formula weight: 195.24(anhy) Purity: 99+%

  • Maleic anhydride, 98+%

    Alfa Aesar

    Synonym(s): cis-Butenedioic anhydride, 2,5-Furandione Formula: C4H2O3 Formula weight: 98.06 Purity: 98+% CAS Number: 108-31-6 UN Number: UN2215 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2917.14 Hazard Statements: H334-H314-H302-H317 May cause allergy…

  • 2-Methylcyclohexanone, 98%

    Alfa Aesar

    Formula: C7H12O Formula weight: 112.17 Purity: 98% CAS Number: 583-60-8 UN Number: UN2297 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2914.22 Hazard Statements: H226-H332 Flammable liquid and vapour. Harmful if inhaled. Precautionary Statements: …

  • Maleimide, 98+%

    Alfa Aesar

    Synonym(s): 2,5-Dioxo-3-pyrroline, 1H-Pyrrole-2,5-dione Formula: C4H3NO2 Formula weight: 97.07 Purity: 98+% CAS Number: 541-59-3 UN Number: UN2923 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2925.19 Hazard Statements: H301-H314-H318-H317 Toxic if…

  • Methyl Red, ACS

    Alfa Aesar

    Synonym(s): C.I. 13020 Formula: C15H15N3O2 Formula weight: 269.30 CAS Number: 493-52-7 Harmonized Tariff Code:  2927.00

  • Malachite Green oxalate

    Alfa Aesar

    Synonym(s): C.I. 42000 Formula: C52H54N4O12 Formula weight: 927.02 CAS Number: 2437-29-8 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2921.59 Hazard Statements: H302-H312 Harmful if swallowed. Harmful in contact with skin. Precautionary…

  • 1-Methyl-1-phenylhydrazine, 97%

    Alfa Aesar

    Formula: C7H10N2 Formula weight: 122.17 Purity: 97% CAS Number: 618-40-6 Packing Group: III Harmonized Tariff Code:  2928.00 Hazard Statements: H301-H227-H315-H319-H335 Toxic if swallowed. Combustible liquid. Causes skin irritation. Causes serious eye irritation. May cause…

  • Magnesium Sulfate, Anhydrous, 99.5% min

    Alfa Aesar

    CAS Number: 7487-88-9 MDL: MFCD00011110 EINECS: 231-298-2 Formula: MgSO4 Formula Weight: 120.37 Form: powder Melting Point: 1124° dec. Density: 2.66 Sensitivity: Hygroscopic Applications Suitable for sensitive…

  • Methanol-d{4}, 99.8%(Isotopic)

    Alfa Aesar

    Formula: CD3OD Formula weight: 36.07 Purity: 99.8%(Isotopic) CAS Number: 811-98-3 UN Number: UN1230 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2845.90 Hazard Statements: H225-H300-H310-H330-H370 Highly flammable liquid and vapour. Fatal if swallowed. Fatal…

  • Magnesium chloride, anhydrous, 99%

    Alfa Aesar

    Formula: MgCl2 Formula weight: 95.22 Purity: 99% CAS Number: 7786-30-3 Harmonized Tariff Code:  2827.31

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